Determine the pH of the following aqueous solutions: 0.250 M HNO, (nitrous acid), K_a = 4.6...

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Question

science chemistry

Answer 1

Answer #1

12 )

a )

pKa = -logKa = 3.34

pH = 1/2 [pKa -logC]

pH = 1/2 [3.34 - log 0.250]

pH = 1.97

b)

pOH = 1/2 [pKb - log C]

= 1/2 [4.74 -log 0.175]

= 2.75

pH + pOH = 14

pH = 11.25

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Answer 2

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